First of all price your products competitively, ideally at or below the current market rate. By considering use of automated repricing tools to adjust your prices based on market conditions and competitor prices. Amazon favors sellers who use their fulfillment services, such as FBA, so fulfill you orders through FBA. Maintain a consistent stock of your products. Out-of-stock items are less likely to win the Buy Box. Continuously monitor and optimize your strategies to improve your overall performance as an Amazon seller. These things will help you win buy box for your products.